Finding the Fourth Proportional to 639,600,542.97, 956,631,175.79 and 376,658,316.96
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Solution
The fourth proportional to 639,600,542.97, 956,631,175.79 and 376,658,316.96 is: 563,356,445.81
Step by Step Solution
- Step 1: Write the proportion equation
639,600,542.97 : 956,631,175.79 = 376,658,316.96 : x - Step 2: Convert to fraction form
639,600,542.97/956,631,175.79 = 376,658,316.96/x - Step 3: Cross multiply
639,600,542.97x = 956,631,175.79 × 376,658,316.96 - Step 4: Simplify right side
639,600,542.97x = 360,323,088,622,643,968 - Step 5: Solve for x
x = 360,323,088,622,643,968/639,600,542.97 - Step 6: Final answer
x = 563,356,445.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.